A Novel Pacing Strategy With Low and Stable Output: Pacing the Left Bundle Branch Immediately Beyond the Conduction Block

被引:562
作者
Huang, Weijian [1 ]
Su, Lan [1 ]
Wu, Shengjie [1 ]
Xu, Lei [1 ]
Xiao, Fangyi [1 ]
Zhou, Xiaohong [2 ]
Ellenbogen, Kenneth A. [3 ]
机构
[1] Wenzhou Med Univ, Affiliated Hosp 1, Dept Cardiol, Key Lab Cardiovasc Dis Wenzhou, Wenzhou, Peoples R China
[2] Medtronic PLC, CRHF Div, Mounds View, MN USA
[3] Virginia Commonwealth Univ Hlth Syst, Dept Cardiol, Richmond, VA USA
关键词
D O I
10.1016/j.cjca.2017.09.013
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
This report demonstrates the feasibility of pacing the left bundle branch (LBB) immediately beyond the conduction block to functionally restore the impaired His-Purkinje conduction system in a patient with heart failure and left bundle branch block (LBBB). The pacing required only a low pacing output (0.5 volts/0.5 ms) to correct the LBBB with accompanying right BBB on the electrocardiogram. Over 1-year of follow-up, the patient had a significant improvement in clinical outcome and echocardiographic measurements. The case shows a novel pacing strategy for patients with BBB that affects many patients with heart failure.
引用
收藏
页码:1736.e1 / 1736.e3
页数:3
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